var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index'); //express 默认生成的，无用
var usersRouter = require('./routes/users'); //express 默认生成的，无用
var seprateRouter = require('./routes/separate'); // 每一个摇一摇用户所在路由
var uniteRouter = require('./routes/unite'); //统计页面，只展示靠前的几名用户
var controlsRouter = require('./routes/controls'); //统一的控制页面，控制游戏开始，设置参数等等
var exportRouter = require('./routes/export'); //活动结束之后导出表格，记录中奖人员

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/separate', seprateRouter);
app.use('/unite', uniteRouter);
app.use('/controls', controlsRouter);
app.use('/export', exportRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
